MESON Chess Problem Database
Problem Display
PID: 10166 (5R1K/5BBP/8/1p2Ppp1/1Rb1NkN1/5p2/5Q2/8 w - - 0 1)
Haring, Jacobus
Problem (Zagreb), 1962
#2
10 + 6
| 3747 | FIDE Album (1962-1964) | 1968 |
| 261 | Mat | 1980 |
| 56 | The Problemist | 1980 |
SOLUTION
- SOUND
- Sets
- 1...Kxe4
- 2.Qe3#
- 1...Kxg4
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Ba2
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bb3
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 1...Be6
- 2.Qg3#
- 1...Bxf7
- 2.Qg3#
- 1...fxe4
- 2.Be6#
- 1...fxg4
- 2.Bd5#
- 1...Kxe4
- Tries
- 1.Kg8?
- 1...Kxe4
- 2.Qe3#
- 1...Kxg4
- 2.Qg3#
- 1...fxe4
- 2.Be6#
- 1...fxg4
- 2.Bd5#
- 1...Bf1
- 2.Qg3#
- 1...Ba2
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bb3
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 1...Be6
- 2.Qg3#
- 1...Bxf7+!
- 1...Kxe4
- 1.Sd2?
- threat
- 2.Qxf3#
- 1...fxg4
- 2.Bxc4#
- 2.Bd5#
- 2.Bh5#
- 2.Be6#
- 2.Bg6#
- 2.Be8#
- 2.Bg8#
- 1...Kxg4!
- threat
- 1.Sc3?
- 1...fxg4
- 2.Bxc4#
- 2.Bd5#
- 2.Bh5#
- 2.Be6#
- 2.Bg6#
- 2.Be8#
- 2.Bg8#
- 1...Kxg4!
- 1...fxg4
- 1.Sg3?
- 1...fxg4
- 2.Bxc4#
- 2.Bd5#
- 2.Bh5#
- 2.Be6#
- 2.Bg6#
- 2.Be8#
- 2.Bg8#
- 1...Kxg4!
- 1...fxg4
- 1.Sc5?
- 1...fxg4
- 2.Bxc4#
- 2.Bd5#
- 2.Bh5#
- 2.Be6#
- 2.Bg6#
- 2.Be8#
- 2.Bg8#
- 1...Kxg4!
- 1...fxg4
- 1.Sd6?
- 1...fxg4
- 2.Bxc4#
- 2.Bd5#
- 2.Bh5#
- 2.Be6#
- 2.Bg6#
- 2.Be8#
- 2.Bg8#
- 1...Kxg4!
- 1...fxg4
- 1.Be6?
- 1...Kxe4
- 2.Qe3#
- 1...Bxe6
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Ba2
- 2.Qg3#
- 1...Bb3
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 1...Kxg4!
- 1...Kxe4
- 1.Bg6?
- 1...Kxg4
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Ba2
- 2.Qg3#
- 1...Bb3
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 1...Be6
- 2.Qg3#
- 1...Bf7
- 2.Qg3#
- 1...Bg8
- 2.Qg3#
- 1...Kxe4!
- 1...Kxg4
- 1.Be8?
- 1...Kxg4
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Ba2
- 2.Qg3#
- 1...Bb3
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 1...Be6
- 2.Qg3#
- 1...Bf7
- 2.Qg3#
- 1...Bg8
- 2.Qg3#
- 1...Kxe4!
- 1...Kxg4
- 1.Bg8?
- 1...Kxe4
- 2.Qe3#
- 1...Bxg8
- 2.Qg3#
- 1...Be2
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Ba2
- 2.Qg3#
- 1...Bb3
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 1...Be6
- 2.Qg3#
- 1...Bf7
- 2.Qg3#
- 1...Kxg4!
- 1...Kxe4
- 1.Bh6?
- 1...Kxe4
- 2.Qe3#
- 1...Kxg4
- 2.Qg3#
- 1...Bxf7
- 2.Qg3#
- 1...fxe4
- 2.Be6#
- 1...Be2
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Ba2
- 2.Qg3#
- 1...Bb3
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 1...Be6
- 2.Qg3#
- 1...fxg4!
- 1...Kxe4
- 1.Rxc4?
- threat
- 2.Qg3#
- 1...Kxg4
- 2.Qg3#
- 1...fxe4
- 2.Bh5#
- 2.Be6#
- 1...fxg4
- 2.Bd5#
- 2.Bh5#
- 2.Be6#
- 2.Bg6#
- 2.Be8#
- 2.Bg8#
- 1...bxc4!
- threat
- 1.Qe1?
- 1...Kxg4
- 2.Qg3#
- 1...Bxf7
- 2.Qg3#
- 1...fxe4
- 2.Be6#
- 1...fxg4
- 2.Bxc4#
- 2.Bd5#
- 2.Be6#
- 1...Be2
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Ba2
- 2.Qg3#
- 1...Bb3
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 1...Be6
- 2.Qg3#
- 1...f2!
- 1...Kxg4
- 1.Qg1?
- 1...Kxe4
- 2.Qe3#
- 1...Bxf7
- 2.Qg3#
- 1...fxe4
- 2.Bxc4#
- 2.Bd5#
- 2.Be6#
- 1...fxg4
- 2.Bd5#
- 1...Be2
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Ba2
- 2.Qg3#
- 1...Bb3
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 1...Be6
- 2.Qg3#
- 1...f2!
- 1...Kxe4
- 1.Qd2+?
- 1...Kxe4
- 2.Sf2#
- 2.Bd5#
- 2.Qe3#
- 1...Kxg4!
- 1...Kxe4
- 1.Qh2+?
- 1...Kxg4
- 2.Sf2#
- 2.Sf6#
- 2.Bh5#
- 2.Qg3#
- 1...Kxe4!
- 1...Kxg4
- 1.Kg8?
- Keys
- 1.e6!
- 1...Kxe4
- 2.Qd4#
- 1...Kxg4
- 2.Qg3#
- 1...Bxe6
- 2.Qg3#
- 1...fxe4
- 2.Bh5#
- 1...fxg4
- 2.Bg6#
- 1...Be2
- 2.Qg3#
- 1...Bf1
- 2.Qg3#
- 1...Ba2
- 2.Qg3#
- 1...Bb3
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bd5
- 2.Qg3#
- 1...Kxe4
- 1.e6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 3
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- K(c);N_SPINP(a),P-FLIGHT,P_SPINB(b),XS(C)::QAR1(A)
- K(c);N_SPINP(a),P-FLIGHT,XS(D)::QAR1(A)
- B(b);::QAB1(A)
- B(b);XB(F)::QAB1(A)
- P(e);OGATEB,SBLOCK,XS(C)::R(I)+B(F)
- P(e);OGATEB,SBLOCK,XS(D)::R(I)+B(F)
- Tries
- Try
- K(J);P-FLIGHT,P_SPINB(F)
- Vars
- K(c);N_SPINP(a),P-FLIGHT,P_SPINB(b),XS(C)::QAR1(A)
- K(c);N_SPINP(a),P-FLIGHT,XS(D)::QAR1(A)
- P(e);SBLOCK,XS(C)::R(I)+B(F)
- P(e);SBLOCK,XS(D)::R(I)+B(F)
- B(b);N_PINB(F)::QAB1(A)
- B(b);::QAB1(A)
- Refutation
- B(b);CHECK,XB(F)
- Try
- S(C);P_PINB(b)
- Threat
- QAR1(A),XP(a)
- Refutation
- K(c);N_SPINP(a),P-FLIGHT,XS(D)
- Try
- S(C);P_PINB(b)
- Refutation
- K(c);N_SPINP(a),P-FLIGHT,XS(D)
- Try
- S(C);P_PINB(b)
- Refutation
- K(c);N_SPINP(a),P-FLIGHT,XS(D)
- Try
- S(C);P_PINB(b)
- Refutation
- K(c);N_SPINP(a),P-FLIGHT,XS(D)
- Try
- S(C);P_PINB(b)
- Refutation
- K(c);N_SPINP(a),P-FLIGHT,XS(D)
- Try
- B(F);
- Vars
- K(c);N_SPINP(a),P-FLIGHT,P_SPINB(b),XS(C)::QAR1(A)
- B(b);XB(F)::QAB1(A)
- B(b);::QAB1(A)
- Refutation
- K(c);N_SPINP(a),P-FLIGHT,P_SPINP(e),XS(D)
- Try
- B(F);
- Vars
- K(c);N_SPINP(a),P-FLIGHT,XS(D)::QAR1(A)
- B(b);::QAB1(A)
- Refutation
- K(c);N_SPINP(a),P-FLIGHT,P_SPINB(b),P_SPINP(e),XS(C)
- Try
- B(F);
- Vars
- K(c);N_SPINP(a),P-FLIGHT,XS(D)::QAR1(A)
- B(b);::QAB1(A)
- Refutation
- K(c);N_SPINP(a),P-FLIGHT,P_SPINB(b),XS(C)
- Try
- B(F);
- Vars
- K(c);N_SPINP(a),P-FLIGHT,P_SPINB(b),XS(C)::QAR1(A)
- B(b);XB(F)::QAB1(A)
- B(b);::QAB1(A)
- Refutation
- K(c);N_SPINP(a),P-FLIGHT,XS(D)
- Try
- B(G);
- Vars
- K(c);N_SPINP(a),P-FLIGHT,P_SPINB(b),XS(C)::QAR1(A)
- K(c);N_SPINP(a),P-FLIGHT,XS(D)::QAR1(A)
- B(b);XB(F)::QAB1(A)
- P(e);OGATEB,SBLOCK,XS(C)::R(I)+B(F)
- B(b);::QAB1(A)
- Refutation
- P(e);XS(D)
- Try
- R(B);XB(b)
- Threat
- QAB1(A)
- Vars
- K(c);N_SPINP(a),P-FLIGHT,XS(D)::QAR1(A)
- Refutation
- P(d);XR(B)
- Try
- Q(A);N_PINP(a)
- Vars
- K(c);P-FLIGHT,XS(D)::QAR1(A)
- B(b);XB(F)::QAB1(A)
- P(e);OGATEB,XS(C)::R(I)+B(F)
- B(b);::QAB1(A)
- Refutation
- P(a);
- Try
- Q(A);N_PINP(a)
- Vars
- K(c);P-FLIGHT,P_SPINB(b),XS(C)::QAR1(A)
- B(b);XB(F)::QAB1(A)
- P(e);OGATEB,XS(D)::R(I)+B(F)
- B(b);::QAB1(A)
- Refutation
- P(a);
- Try
- Q(A);CHECK,N_PINP(a)
- Refutation
- K(c);P-FLIGHT,XS(D)
- Try
- Q(A);CHECK,N_PINP(a)
- Refutation
- K(c);P-FLIGHT,P_SPINB(b),XS(C)
- Try
- Actual
- P(E);
- Vars
- K(c);N_SPINP(a),OGATEB,P-FLIGHT,P_SPINB(b),XS(C)::QAR1(A)
- K(c);N_SPINP(a),P-FLIGHT,XS(D)::QAR1(A)
- B(b);XP(E)::QAB1(A)
- P(e);OGATEB,SBLOCK,XS(C)::R(I)+B(F)
- P(e);OGATEB,SBLOCK,XS(D)::R(I)+B(F)
- B(b);::QAB1(A)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).